chore: Drop gcc 10 test (#133)

Author: spotandjake

.github/workflows/opam.yml

@@ -47,48 +47,3 @@ jobs:
 
       - name: Run tests
         run: opam exec -- dune runtest --display=short
-
-  build_gcc10:
-    name: Test GCC 10
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-22.04]
-        ocaml-compiler: [4.14.1]
-
-    steps:
-      - name: Setup gcc 10
-        run: |
-          sudo apt update
-          sudo apt install gcc-10
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100
-          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 100
-
-      - name: Checkout project
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: "recursive"
-
-      - name: Setup OCaml ${{ matrix.ocaml-compiler }}
-        uses: ocaml/setup-ocaml@c2e6bb92370612b89f302c3aaefa1da45ee2d702 # v3.2.15
-        with:
-          ocaml-compiler: ${{ matrix.ocaml-compiler }}
-
-      - name: Inspect depexts
-        run: |
-          opam exec -- which cmake
-          opam exec -- which gcc
-          opam exec -- which g++
-          opam exec -- gcc --version
-          opam exec -- g++ --version
-
-      - name: Install local dependencies
-        run: opam install . --deps-only --with-test
-
-      - name: Build project
-        run: opam exec -- dune build
-
-      - name: Run tests
-        run: opam exec -- dune runtest --display=short